C11 or C10?
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N1MID
- Posts: 7
- Joined: 31 Dec 2021, 13:28
C11 or C10?
Hi all. I am starting to tune my RF board and noticed a conflict between the iBOM and the schematic. C11 in the iBOM shows a 68p cap and nothing in C10. The schematic says C10 gets the 68p and C11 gets nothing... Do I misunderstand? I am thinking I do as I get very little power out on 20m and installed 68p on C11. iBOM and schematic clips attached.
- Attachments
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- Schematic
- schematic.png (14.24 KiB) Viewed 1212 times
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- iBOM
- iBOM.png (10.25 KiB) Viewed 1212 times
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va3rr
- Posts: 54
- Joined: 30 Dec 2021, 21:39
- Location: FN25eg
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Re: C11 or C10?
C10 and C11 are in parallel, so it doesn't matter what slot one places the 68pF capacitor.
Look at the very end of https://dl2man.de/2-trusdx-assembly/ regarding different bands for an explanation why Manuel has this option available
Look at the very end of https://dl2man.de/2-trusdx-assembly/ regarding different bands for an explanation why Manuel has this option available
Slava Ukraini!
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Faraaz VK4JJ
- Posts: 215
- Joined: 30 Dec 2021, 21:56
Re: C11 or C10?
N1MID wrote: ↑24 Mar 2022, 23:54 Hi all. I am starting to tune my RF board and noticed a conflict between the iBOM and the schematic. C11 in the iBOM shows a 68p cap and nothing in C10. The schematic says C10 gets the 68p and C11 gets nothing... Do I misunderstand? I am thinking I do as I get very little power out on 20m and installed 68p on C11. iBOM and schematic clips attached.
viewtopic.php?p=1709#p1709
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hgosch1
- Posts: 3
- Joined: 22 Mar 2022, 11:58
Re: C11 or C10?
Same here, only abt 2 w. I found a bad or wrong capacity 68pF, replaced it and reduced 2 windings from L11. Now tuning was possible and got easy over 5 watts at 12.3 Volt.
73 Harry oe6gc
73 Harry oe6gc
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